The influence of demeanor on scores from two validated feline pain assessment scales during the perioperative period |
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| Institution: | 1. Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada;2. City of Calgary Animal Services Centre Clinic, Calgary, AB, Canada;3. Groupe de recherche en pharmacologie animale du Québec (GREPAQ), QC, Canada;1. Institute of Biodiversity, Animal Health and Comparative Medicine, School of Veterinary Medicine, University of Glasgow, Glasgow, UK;2. Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden;1. School of Veterinary Medicine, Louisiana State University, USA;2. Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, Bern, Switzerland;1. Animal Pharmacology Research Group of Quebec (GREPAQ), Faculty of Veterinary Medicine, University of Montreal, Saint‐Hyacinthe, QC, Canada;2. Osteoarthritis Research Unit, Research Center of the University of Montreal Hospital Centre, Montreal, QC, Canada;3. Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Montreal, Saint‐Hyacinthe, QC, Canada;4. US Veterinary Operations, Zoetis, Inc., Florham Park, NJ, USA;2. Department of Surgical and Radiological Sciences, University of California, Davis, Davis, CA, USA;1. Morley Veterinary Centre, Taunton, Somerset, UK;2. School of Veterinary Sciences, University of Bristol, Bristol, UK;3. Gravel Head Farm, Ely, Cambridgeshire, UK;1. ACE Vets Ltd, Rossett, LL12 0BL, UK;2. Davies Veterinary Specialists, Manor Farm Business Park, Higham Gobion, Herts, SG5 3HR, UK |
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| Abstract: | ObjectiveTo evaluate the effects of demeanor on validated pain assessment scales.Study designProspective, blind, clinical trial.Animal populationThirty three adult domestic cats scheduled for orchiectomy.MethodsCats were assessed for pain pre (baseline) and 1, 2, 4 hours postoperatively using two validated pain scales Composite Measures Pain Scale-Feline (rCMPS-F) and UNESP-Botucatu multidimensional composite pain scale (psychomotor and pain expression subscales; U-B MCPS-psych and -painex)], and a demeanor scale. Return of sternal recumbency and postoperative feeding were recorded. Anesthesia consisted of a single intramuscular injection of dexmedetomidine-ketamine-hydromorphone with intratesticular lidocaine and atipamezole and meloxicam postoperatively. Following data collection, cats were assigned to two groups based on baseline demeanor scores (LO ≤ 5/21, 18 cats; HI ≥ 6/21, 15 cats) and data from each group compared.ResultsBaseline demeanor predicted pain scores with the U-B MCPS-psych scale: baseline LO 0 (0–0), HI 2 (0–6), p = 0.0005], 1 hour LO 1 (0–5), HI 3 (1–5), p = 0.02], and 4 hours LO 0 (0–2), HI 1 (0–6), p = 0.01]. A similar pattern was observed with the rCMPS-F. This resulted in more crossings of the analgesic intervention threshold in the HI group: U-B UNESP-psych (9 versus 1, p = 0.005) and rCMPS-F (23 versus 3, p < 0.0001). In contrast, U-B MCPS-painex scores did not differ between LO/HI groups: baseline (p > 0.99), 1 hour (p = 0.34), 2 hours (p > 0.99) and 4 hours (p = 0.31). LO cats ate sooner (61% versus 33% by 1 hour, p < 0.0001) despite similar times to sternal recumbency (p = 0.48).Conclusions and clinical relevanceDemeanor affected pain assessment with U-B UNESP-psych and rCMPS-F scales, but not U-B UNESP-painex scale. Demeanor had a significant effect on postoperative feeding. These data highlight the potential for demeanor to confound pain assessment. |
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| Keywords: | behavior castration enhanced recovery after surgery feline temperament |
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